Well, my trusty ol' 252 is acting up, again. OK, it's not really mine, _technically_ it's my bosses, but you know what I mean, right?
Anywho, a little over a month ago it started acting up, at first it was like the hi freq. was having problems "lighting". We cleaned the contacts, no better. Replaced the contacts, no better. Spent over a week in the shop, they replaced the HF capacitor and transformer, brought it back saying it was fixed, NOT! It has actually been to two different shops, they keep putting it on a load back and say that it checks out fine, but after a fairly short time using the welder on AC, (welding 1/8" Alum.) it begins to act up. I am beginning to suspect that the problems is in the AC circuit somewhere as the HF is working, you can hear it crackling and see the little lightning bolts, however it does not want to "light" the main arc. GGGRRRR!!
My question, finally, is where could I find a schematic for this welder? I tried ESAB's website with no success, any other ideas?
Thanks in advance, Jim C Roberts